* {
    margin: 0;
    padding: 0;
}
body,
html {
    font-size: 14px;
    font-family: 'Microsoft Yahei', '微软雅黑', 'Simsun', '宋体', 'Arial', sans-serif;
}
img {
    border: 0;
}
a {
    color: #fff;
    text-decoration: none;
    outline: none;
}
ol,
ul,
li {
    list-style: none;
}
.head-nav {
    width: 100%;
    height: 60px;
    background: #6cba75;
}
.head-nav-con {
    width: 1200px;
    height: 60px;
    margin: auto;
}
.head-nav-con ul li {
    width: 170px;
    float: left;
    font-size: 20px;
    text-align: center;
}
.head-nav-con ul li:hover {
    background: #ff9c01;
}
.head-nav-con ul a {
    display: block;
    text-decoration: none;
    text-align: center;
    line-height: 60px;
    color: white;
}
.head-nav-con .drop-down {
    position: relative;
}
.head-nav-con .drop-down-content {
    padding: 0;
    display: none;
    position: absolute;
    z-index: 1;
    background: #6cba75;
}
.head-nav-con .drop-down-content li:hover > a {
    background-color: #ff9c01;
}
.head-nav-con .drop-down:hover .drop-down-content {
    display: block;
}
.head-nav-con .drop-down-2 {
    position: relative;
}
.head-nav-con .drop-down-content-2 {
    padding: 0;
    display: none;
    position: absolute;
    z-index: 1;
    background-color: #6cba75;
    right: -170px;
    top: 0;
}
.head-nav-con .drop-down-content-2 > li {
    float: none;
    background-color: #6cba75;
}
.head-nav-con .drop-down-content-2 li:hover a {
    background-color: #ff9c01;
}
.head-nav-con .drop-down-2:hover .drop-down-content-2 {
    display: block;
}